Improvement in draft-equalizers



A. J. P. EHRIGH. Draft Equalizer.

No. 218,370. Patented Aug. 12,1879.

MPEYERS. PMOTO-LITHOGRAPHEH, WASHINGTON, n C.

UNITED STATES PATENT QFFIGE.

ADOLPH J. F. EHRIGH, OF LIGHTFIELD, MINNESOTA.

IMPROVEMENT IN DRAFT-EQUALIZERS.

Specification forming part of Letters Patent N 0. 218,370, dated August12, 1879 application filed January 11, 1879.

To all whom it may concern:

Be it known that I, ADOLPH J. F. Ennrcn, of Lightfield, in the county ofMeeker and State of Minnesota, have invented a new and valuableImprovement in Draft-Equalizers and I do hereby declare that thefollowing is a full, clear, and exact description of the constructionand operation of the same, reference being had to the annexed drawing,making a part of this specification, and to the letters and figures ofreference marked thereon.

The figure of the drawing is a representation of a top plan of mydraft-equalizer.

My invention relates to a device for equalizing the draft of the horses,the same being especially adapted to the use of three horses; and thenovelty consists in the construction and arrangement of parts, as willbe more fully hereinafter set forth.

In carrying out my invention I employ the ordinary pole, with a rigidright-angled bar connected thereto, and a metal brace at an angle ofabout forty-five degrees strengthenin g both. A plate rigid with the barfurnishes a pivotal bearing for a rocking shaft, the pivotal bolt ofwhich passes through the brace. A chain leading from the bar and over apulley journaled in the end of the rocking shaft is provided with aclevis or other proper connection, by which it is secured to thedoubletree. The other end of the rocking shaft is provided with abifurcated link, which connects it with a pivoted lever, as shown.

My invention is designed as an improvement upon my Patent No. 198,045,of January 8,1878, in which the construction was complicated and liableto get out of order.

The object of the present invention is to simplify the construction, andat the same time to produce an efficient device for the desired purpose.

Referring to the drawing, A represents the pole; B, the rigidright-angled arm and O, the brace, as shown. A plate, D, rigid with thearm B, furnishes pivotal bearing at d for a rocking shaft, E, in one endof which is journaled a pulley, E over which operates a chain, rope, orthe like, E one end of which is stapled to the arm B, at e, and to theother is attached the double-trees. (Not shown.) From the opposite endof the rocking shaft E, at f, is pivoted a bifurcated link, F, which, inturn, is pivoted to a pivoted lever, G, at f, to which lever is attachedthe single-tree.

Various. changes in construction may be made without departing from theprinciple of my invention, the operation of which is obvious from theforegoing, having in View the aforesaid patent to me.

The various connections are made adjustable, as shown.

What I claim as new, and desire to secure by Letters Patent of theUnited States, is-

The arm B, rocking lever E, pulley E, chain E bifurcated link F, andpivoted lever G, adapted to operate in connection with singletrees anddouble-trees, as and for the purpose set forth.

In testimony that I claim the above I have hereunto subscribed my namein the presence of two witnesses.

ADOLPH J. F. EHRIOH.

Witnesses CHAS. H. ATKINsoN, B. A. MANTER.

